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Q#1
Microprocessor
GATE EC 2001
MSQ
+2 marks
-0 marks
Consider the following sequence of instructions for an 8085 microprocessor-based system:
(a) If the program execution begins at the location FF00 H, write down the sequence of instructions which are actually executed till a HLT instruction. (Assume all flags are initially RESET)
(b) Which of three ports (PORT1, PORT2 and PORT3) will be loaded with the data and what is the bit pattern of the data?
(a) The actual sequence of instructions being executed is,
(b) PORT 2 is loaded with output data and the bit pattern is 0000 0011
(b) PORT 3 is loaded with output data and the bit pattern is 0000 0011
None
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